共查询到19条相似文献,搜索用时 62 毫秒
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依据JJG376-2007《电导率仪检定规程》,电导率仪主要测量项目是电子单元引用误差和仪器重复性两大项。因此评定电导率仪的测量不确定度也就是评定其电子单元引用误差和仪器重复性测量的不确定度。 相似文献
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抗渗仪是测定混凝土的抗渗性能,适用于建筑企业、科研院校、设计施工等部门从事混凝土抗渗性能的测定研究,同时可用于其它建筑材料透气测定和质量检测.本文分析测量不确定度的来源,对各不确定度进行详细评定,并给出示值误差的不确定度. 相似文献
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本文分析了浊度仪检测结果测量不确定度的主要来源,介绍了浊度仪测量不确定度的评定步骤和方法,给出了评定结果。 相似文献
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本文根据酶标分析仪的检定规程,运用测量不确定度评定与表示方法,对酶标分析仪吸光度测量结果的不确定度进行分析和评定 相似文献
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《国际设备工程与管理》2017,(1)
In order to design a more efficient and more convenient temperature acquisition system,an approach combining USB data acquisition card with K type thermocouple temperature sensor is proposed under the circumstance of Lab VIEW 2012 programming software. Firstly,the Lab VIEW 2012 programming software is used to complete a temperature acquisition control program. Secondly,K type thermocouple temperature sensor is employed to transfer the temperature information. Thirdly,Then the USB data acquisition card can collect the voltage of K type thermocouple temperature sensor and convert it to a temperature scale. And,the simplification of experimental procedure can reduce the cost of development greatly. Finally,the experimental results illustrate that the range of measurement temperature is more wide and the temperature scale is more accurate. 相似文献